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Re: have phillips 55 hdtv that needs convergence badly
OK, friends.. Replace two Ic's Stk 392-110, and get in service menu settings , and adjust point by point. After replaced stk IC's, check if any resistor look brown or born, if yes, replaced it with 6.8 Ohms.SOme time SSB is defective ( small signal board, replaced it ) If you have questions? firstname.lastname@example.org . Good Luck !!
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Your flyback has failed most likely...bad new is they are nearly impossible to find, This is a known issue on most of the models below. The site Tv Repair Kits can sometimes get replacements - but its not often.
This repair kit is known to work on Magnavox TV sets with the following Chassis/Model Numbers.
I understand your frustrations, and if you did the work yourself you can feel really bad. In this case if you really want to save this TV, I would suggest you visit Union Electronics. And purchase a reworked replacement board. In many cases this is the best route to go and the price is reasonable. Call them at 1 800 648 6657. I have had very good luck with this company! And these boards are guaranteed, ask for the lenghth allowed. Have your TV model # and tell them you are looking for the convergence board. Thanks for asking!
quite difficult it not just replacing the chips you have to test the resistor in front of the chips which mean you have desolder 1 end of the resistor so you get a proper reading on the mulitmeter also you have to test the capacitor at either end i've repaired a few . trust me if i was you get a quote from an engineer good luck
convergence i.c.s change both of them even if only one color is out. if one is bad the other is usually going to give out soon. the part # should be. stk 392-120. also check resistors around i.c.s if the open you wont be able to adjust convergence.
You have bad convergence IC's. Replace both the red and blue drive chips. They are easy to spot. They are mounted to large, finned heat sinks. The # on the chips starts with "STK-" and then there are numbers following. Both red and blue use the same part. There are 20 or so pins to unsolder\solder. These parts are available to the consumer from tritronicsinc.com. Good Luck!!
If your model number is 55PP935217 you dont have a ballast. You have a rear projection with 3 CRts . Please let me know if thats the correct model number and what your symptons are. I will be able to help you get what ever part youre needing.